23031312109 has 8 divisors (see below), whose sum is σ = 25173145760. Its totient is φ = 20942363376.

The previous prime is 23031312107. The next prime is 23031312149. The reversal of 23031312109 is 90121313032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23031312109 - 2¹ = 23031312107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23031312103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13220319 + ... + 13222060.

It is an arithmetic number, because the mean of its divisors is an integer number (3146643220).

Almost surely, 2^23031312109 is an apocalyptic number.

It is an amenable number.

23031312109 is a deficient number, since it is larger than the sum of its proper divisors (2141833651).

23031312109 is a wasteful number, since it uses less digits than its factorization.

23031312109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26442459.

The product of its (nonzero) digits is 972, while the sum is 25.

The spelling of 23031312109 in words is "twenty-three billion, thirty-one million, three hundred twelve thousand, one hundred nine".